Två SELECT-menyer i symbios

En pluttifikationstabell med andra ord?

<script type="text/javascript">

function $(s){
    if ('string'==typeof s)
        return document.getElementById(s);
    else
        return s;
}

function fillMyBuddy(src, dst){
    var src=$(src), dst=$(dst);

    var factor=parseInt(src.options[src.selectedIndex].value)

    for (var i=0; i<dst.options.length; i++){
        dst.options[i].innerHTML= "*" + (i+1) + "=" + factor*(i+1)
	dst.options[i].value=factor*(i+1)
    }
}

window.onload=function(){
    fillMyBuddy('srclist', 'dstlist')
}

</script>

<select id="srclist" onchange="fillMyBuddy(this, 'dstlist');">
<option value="1"> 1</option>
<option value="2"> 2</option>
<option value="3"> 3</option>
<option value="4"> 4</option>
<option value="5"> 5</option>

<option value="6"> 6</option>
<option value="7"> 7</option>
<option value="8"> 8</option>
<option value="9"> 9</option>
<option value="10"> 10</option>
</select>

<select id="dstlist">
<option value="1"> 1</option>
<option value="2"> 2</option>
<option value="3"> 3</option>
<option value="4"> 4</option>
<option value="5"> 5</option>
<option value="6"> 6</option>

<option value="7"> 7</option>
<option value="8"> 8</option>
<option value="9"> 9</option>
<option value="10"> 10</option>
</select>